Answer:
a
Explanation:
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Answer:
Total resistance: 18 Ω
Total current: 0.5 A
VR1: 2.5 V
VR2: 1.5 V
VR3: 5 V
Explanation:
Two formulas/laws you have to know:
1) Resistors in series: Rtotal = R1 + R2 + ... (sum the individual resistors)
2) V=I·R a.k.a. I=V/R a.k.a. R=V/I (same formula in 3 shapes)
So, total resistance is sum off all three: 5+3+10 = 18Ω
Total current: I=V/R, V=9, R=18, so I = 9/18 = 0.5A
Voltage across resistor: V=I·R, I=0.5A (for all three), R=5 (for R1), so V = 0.5·5 = 2.5V. Same for the other three.
As a double check, the sum of the voltages must equal the battery voltage again, no volts ever get lost: 2.5+1.5+5 = 9V (check!!)
Convert the following numbers to binary numbers: 5 , 6 , 7 , 8 , 9 .
Answer:
log 5,6,7,8,9 is the binary number according to the computer
Answer:
Divide by the base 2 to get the digits from the remainders:
For 5
Division by 2 Quotient Remainder(digit)
(5)/2 2 1
(2)/2 1 0
(1)/2 0 1
= (101)_2
For 6
Division by 2 Quotient Remainder(digit)
(6)/2 3 0
(3)/2 1 1
(1)/2 0 2
= (110)_2
For 7
Division by 2 Quotient Remainder(digit)
(7)/2 3 1
(3)/2 1 1
(1)/2 0 1
= (111)_2
For 8
Division by 2 Quotient Remainder(digit)
(8)/2 4 0
(4)/2 2 0
(2)/2 1 0
(1)/2 0 1
= (1000)_2
For 9
Division by 2 Quotient Remainder(digit)
(9)/2 4 1
(4)/2 2 0
(2)/2 1 0
(1)/2 0 1
= (1001)_2
Explanation:
What are some of the ways that a computer or business can be infected with a computer virus?
Answer: A way a computer or business can be infected with a virus is via a USB. A person can come into the business with a copy of a C.V. which is destroyed in some way. You give the USB to the receptionist and ask to print you a new one. When they do, a virus hidden in the USB will begin to attack the computer. Another way to infect a computer with a virus is to upload it in a comment box. If a website has a comment/complaint section, a hacker can put in code to a virus. This virus will enact itself once the user opens the website. A fake anti-virus program will appear, and the virus will begin installing itself.
A USB can be used to spread a virus to a computer or organization. Someone could enter the company with a duplicate of a CV that has been damaged in some way. You hand the receptionist the USB and ask them to print you a new one.
What is a computer virus?A computer virus is a piece of malicious software that spreads by copying itself to a document, the boot sector of a computer, or another program. It modifies how a computer operates in the process. A virus starts to spread among computer systems after some type of human interaction.
When they do, a computer will start to be attacked by a virus that was hidden in the USB. Uploading a virus in a comment box is another technique to get it onto a computer.
Thus, A USB can be used to spread a virus to a computer or organization.
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A group of students writes their names and unique student ID numbers on sheets of paper. The sheets are then randomly placed in a stack.
Their teacher is looking to see if a specific ID number is included in the stack. Which of the following best describes whether their teacher should use a linear or a binary search?
A. The teacher could use either type of search though the linear search is likely to be faster
B. The teacher could use either type of search though the binary search is likely to be faster
C. Neither type of search will work since the data is numeric
D. Only the linear search will work since the data has not been sorted
Answer:
D.
Explanation:
Binary searches are required to be first sorted, since they use process of elimination through halving the list every round until the answer is found. Linear searches just start from the beginning and check one by one.
When the condition of an if statement is false, the computer will return an error message to the user.
A. True
B. False
Which of these statements about the truck driving occupation in the U.S. are accurate?
Answer:
I'm unsure 38373672823
Answer:
I really hate to not give answers when answering for people but I'm not sure. It is definitely not A or D, I am tied between B and C. I'm so sorry I couldn't give the answer but hopefully you can narrow them down
Collin wants to insert and center a title at the top of his spreadsheet. Collin should _____.
A. highlight the cells in row 1, select Center command, and type the title
B. type the title in cell A1 and click on the center icon
C. select cells in row 1, select the Merge and Center command, and type the title
D. click on cell A5 and type the title
Answer:
C. select cells in row 1,select the merge and center command, and type the title.
Which activity might be a job or task of an IT worker who manages networks?
A. Setting up a LAN for the office
B. Checking employee eligibility for promotions
C. Developing software to help retirement planning
D. Checking driver's licenses for tampering
The activity that might be a job or task of an IT worker who manages networks is Setting up a LAN for the office. The correct option is A.
What is LAN?A LAN (Local Area Network) is a type of computer network that connects devices in a small geographical area, such as an office building, school, or home.
IT network administrators are in charge of designing, installing, and maintaining computer networks that allow organisations to communicate and share information.
They are usually in charge of configuring routers and switches, configuring firewalls and security protocols, troubleshooting network issues, and ensuring that the network runs smoothly and efficiently.
Setting up a LAN (local area network) for an office is one of the most important tasks that an IT network manager may take on.
Thus, the correct option is A.
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CUANDO QUEREMOS EJECUTAR ALGUN TIPO DE EMPRENDIMIENTO, DEBEMOPS DE PENSAR EN TRES TIPOS DE MEDIDAS BASICAS
What type of internet connection do you think you'd get in Antarctica?
A.
cable
B.
DSL
C.
dial-up
D.
satellite
E.
ISDN
How can you adjust an audio or video clip to only play a small portion?
Open the Format tab, and click the Trim Audio button.
Drag the start and end point markers to the desired locations on a file.
Use the Bookmark feature to reduce the timing of a video or audio clip.
Tick the Loop until Stopped box for users to select a section for themselves
Answer:
b. Drag the start and end point markers to the desired locations on a file.
Explanation:
I got it correct
one way in which RSI can be prevented?
What are benefits of using debugging tools? Check all that apply.
A. Debugging tools help programmers catch errors they might otherwise miss.
B. Debugging tools can save time.
C. Debugging tools can introduce new errors into the code.
D. Debugging tools help programmers make methodical assessments of the problem.
Answer:
It's
A. Debugging tools help programmers catch errors they might otherwise miss.
B. Debugging tools can save time.
D. Debugging tools help programmers make methodical assessments of the problem.
Explanation:
got it right on edge.
Answer:
A, B and C
Explanation:
in 2 or 3 sentences, describe one advanced stradegy and how its useful
Answer:
A search strategy is useful because it helps you learn about things that are not available to you in person. One advanced search strategy is to form words carefully. I could copy 'describe one advance search strategy and how it is useful' and put it into a search engine and get many different results that aren't helpful. But if I shorten it to 'advance search strategies' I get helpful information.
Explanation:
Why would a designer choose to use a static layout? Check all of the boxes that apply.
It helps to avoid horizontal scrolling.
It adjusts the size and shape of content blocks.
It is easier to control layout choices.
It always fits the width of the screen.
Answer:
Explanation:a & c
Answer:
a c core
Explanation:
what adaptation Judy and her parents have that help them run from predators coming?
Answer:
.57
Explanation:
The adaptation which Judy and her parents have that helps them run from predators coming is:
Self preservation/survivalAccording to the given question, we are asked to state the adaptation which Judy and her parents has that helps them run from predators coming and continue to survive.
As a result of this, we can see that humans have adapted over the years to run from predators who are capable of killing them because of the sense of self preservation or survival which is helped by the adrenaline to escape from danger
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Which feature of REPL.it would you use to transmit your program to a friend?
execute
share
run
post
Answer:
share
Explanation:
It's in the name of the option.
Answer:
Its share because Share is when you share to someone or your friend
execute is wrong
run doesnt make sense
post means that your posting a program to the world
Explanation:
Where ....................... the books that you borrowed? *
1 point
(A) is
(B) are
(C) was
(D) will be
Where ARE the books that you borrowed?
-------- C++ ------
Assume you need to test a function named inOrder. The function inOrder receives three intarguments and returns true if and only if the arguments are in non-decreasing order: that is, the second argument is not less than the first and the third is not less than the second. Write the definition of driver function testInOrder whose job it is to determine whether inOrder is correct. So testInOrder returns true if inOrder is correct and returns false otherwise.
For the purposes of this exercise, assume inOrder is an expensive function call, so call it as few times as possible!
-------------------------------------------
Assume you need to test a function named max. The function max receives two int arguments and returns the larger. Write the definition of driver function testmax whose job it is to determine whether max is correct. So testmax returns true if max is correct and returns false otherwise.
------------------------------------------
Write a program that will predict the size of a population of organisms. The program should ask the user for the starting number of organisms, their average daily population increase (as a percentage, expressed as a fraction in decimal form: for example 0.052 would mean a 5.2% increase each day), and the number of days they will multiply. A loop should display the size of the population for each day.
Input Validation.Do not accept a number less than 2 for the starting size of the population. If the user fails to satisfy this print a line with this message "The starting number of organisms must be at least 2.", display the prompt again and try to read the value. Similarly, do not accept a negative number for average daily population increase, using the message "The average daily population increase must be a positive value." and retrying. Finally, do not accept a number less than 1 for the number of days they will multiply and use the message "The number of days must be at least 1."
Answer:
The function testInOrder is as follows:
bool testInOrder(){
bool chk= false;
int n1, n2, n3;
cin>>n1;cin>> n2; cin>> n3;
if(n2>=n1 && n3 >= n2){chk = true;}
bool result = inOrder(n1,n2,n3);
if(result == chk){ return true;}
else{return false;}
}
The function testmax is as follows:
bool testmax(){
bool chk = false;
int n1, n2;
cin>>n1; cin>>n2;
int mx = n1;
if(n2>=n1){ mx = n2; }
int returnMax = max(n1,n2);
if(returnMax == mx){ chk = true; }
return chk;
}
The prediction program is as follows:
#include <iostream>
using namespace std;
int main(){
int startSize,numDays;
float aveInc;
cout<<"Start Size: ";
cin>>startSize;
while(startSize<2){
cout<<"The starting number of organisms must be at least 2.";
cin>>startSize; }
cout<<"Average Daily Increase: ";
cin>>aveInc;
while(aveInc<1){
cout<<"The average daily population increase must be a positive value.";
cin>>aveInc; }
cout<<"Number of days: ";
cin>>numDays;
while(numDays<1){
cout<<"The number of days must be at least 1.";
cin>>numDays; }
for(int i = 0;i<numDays;i++){ startSize*=(1 + aveInc); }
cout<<"Predicted Size: "<<startSize;
}
Explanation:
testInOrder
This defines the function
bool testInOrder(){
bool chk= false;
This declares all three variales
int n1, n2, n3;
This gets input for the three variables
cin>>n1; cin>>n2; cin>>n3;
This correctly check if the numbers are in order, the result is saved in chk
if(n2>=n1 && n3 >= n2){chk = true;}
This gets the result from inOrder(), the result is saved in result
bool result = inOrder(n1,n2,n3);
If result and chk are the same, then inOrder() is correct
if(result == chk){ return true;}
If otherwise, then inOrder() is false
else{return false;}
testmax
This defines the function
bool testmax(){
This initializes the returned value to false
bool chk = false;
This declares the two inputs as integer
int n1, n2;
This gets input for the two numbers
cin>>n1; cin>>n2;
This initializes the max of both to n1
int mx = n1;
This correctly calculates the max of n1 and n2
if(n2>=n1){ mx = n2; }
This gets the returned value from the max() function
int returnMax = max(n1,n2);
If returnMax and max are the same, then max() is correct
if(returnMax == mx){ chk = true; }
return chk;
}
Prediction program
This declares all necessary variables
int startSize,numDays; float aveInc;
This gets input for start size
cout<<"Start Size: "; cin>>startSize;
The loop is repeated until the user enters valid input (>=2) for startSize
while(startSize<2){
cout<<"The starting number of organisms must be at least 2.";
cin>>startSize; }
This gets input for average increase
cout<<"Average Daily Increase: "; cin>>aveInc;
The loop is repeated until the user enters valid input (>=1) for aveInc
while(aveInc<1){
cout<<"The average daily population increase must be a positive value.";
cin>>aveInc; }
This gets input for the number of days
cout<<"Number of days: "; cin>>numDays;
The loop is repeated until the user enters valid input (>=1) for numDays
while(numDays<1){
cout<<"The number of days must be at least 1.";
cin>>numDays; }
The following loop calculates the predicted size at the end of numDays days
for(int i = 0;i<numDays;i++){ startSize*=(1 + aveInc); }
This prints the predicted size
cout<<"Predicted Size: "<<startSize;
Will Give Brainiest 75pts
Read the following excerpt from "Did You R e a l l y Just Post That Photo?" by Kristin Lewis: There is no way to know for sure if the photos you posted on F a c e b o o k (you know, the ones that got you grounded) are the reason you were denied [college admission]. But you'll always be h a u n t e d by the possibility that the college found them. The fact is, an increasing number of colleges are looking up applicants on social-media sites like F a c e b o o k and Y o u T u b e. If they don't like what they find out about you, you could miss out on a scholarship or even get rejected. Colleges aren't the only ones scouring the Internet for your name either. Potential employers are looking too. An i n a p p r o p r i a t e photo can cost you a job, whether it's the babysitting gig you're hoping to land next week or the internship you will apply for five years from now. Which of the following is a paraphrase of the bolded lines that could be used for note-taking purposes? Applicants use social media to research potential colleges and jobs. Potential employers are looking up applicants online to help make hiring decisions. Social media can negatively impact a user's college and job prospects. "The fact is, an increasing number of colleges are looking up applicants on social-media sites like F a c e b o o k and Y o u T u b e."
Answer:
it's not C. Social media can negatively impact a user's college and job prospects. I answered that and I got it wrong. I think it might be B, im like 80% sure, so sorry if I'm wrong
hope this helps!
The option that paraphrase the bolded lines is Potential employers are looking up applicants online to help make hiring decisions.
Is it right for a potential employer to use the Internet in this way?The use of social media for any kind of monitoring, investigation, and job decision making by the employer is one that is advisable to all.
Conclusively, It is moral to use information that will help one in terms of job performance and if the employer uses the internet in line with their policies and practices, then there is no issue with it.
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What is the difference between HTML and C?
A. C allows programmers to write code for different devices, while
HTML makes code easier to analyze on a single device.
O B. HTML is a language used for web pages, while C is a language
commonly used in operating systems.
C. C is a language invented for interactive television, while HTML is a
language designed for smartphones.
D. HTML is a language for computer operating systems to sync with
other devices, while C is a language for web browsers to read web
pages.
Answer:
B
Explanation:
HTML is interpreted in web browsers, while C is complied and is low level, which is why many operating systems, including Linux use it.
I'm a programmer :)
HTML is a language used for web pages, while C is a language commonly used in operating systems. Then the correct option is B.
What is the difference between HTML and C?The Hypertext Markup Language (HTML) is the most dominant language for organizing and formatting websites and other materials on the Internet.
C is a programming language.
HTML is a language used for web pages, while C is a language commonly used in operating systems.
Then the correct option is B.
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Need the answer ASAP!!!
Type the correct answer in the box. Spell all words correctly.
What does the type of documentation depend on?
Apart from the documents required in SDLC phases, there is also other documentation (or variations in documentation) depending upon the nature, type, and_________of the software.
Answer: type and create of the software
Explanation:
pls mark brainliest
How to mark someone the Brainliest
Answer:
Explanation: Once u get more than 1 answer of a question. A message is shown above each answer that is "Mark as brainiest". Click on the option to mark it the best answer.
Answer:
above
Explanation:
Which of the following was (and still is) used by computer programmers as a first test program?
Answer:
The "Hello World!" program
Explanation:
Options are not given, However, the answer to the question is the "Hello World!" program.
For almost all (if not all) programming language, this program is always the test program.
In Python, it is written as:
print("Hello World!")
In C++, it is:
#include <iostream>
int main() {
std::cout << "Hello World!";
return 0; }
Answer:
the following was (and still is) used by computer programmers as a first test program is "Hello world!".
and its computer program is:
Explanation:
[tex]\:{example}[/tex]
#include <stdio.h>
int main()
{
/* printf() displays the string inside
quotation*/
printf("Hello, World!");
return 0;
}
What are different ways that celebrities try to connect with fans using the Internet and social media?
*No links or files, I will report your answer so it gets taken down
Answer:
they ask fans questions they talk to fans they do many things with fans trying to connect with them
Need the answer ASAP !!!!
Type the correct answer in each box. Spell all words correctly.What type of maintenance does Desmond perform?
Desmond is responsible for modifying software to improve performance or meet new client requirements. Desmond performs_________
maintenance.
Answer: software
Explanation:
Software maintenance refers to modifying a software product in order to correct faults, and also to enhance the performance after it has been delivered.
Since Desmond is responsible for the modification of software to enhance performance or meet the new client requirements, then we can infer that Desmond performs software maintenance.
Please Help!
Computer Sci
Answer:
A.
Explanation:
Hope this helps :)
In the following nested loop structure, which loop does the program EXIT first?
Answer:
The loops are nested, and the program ends when loop 1 is completed. Since loop 4 is the innermost one, that one is completed first.
ANSWER ASAP, PLEASE !! 40 POINTS!
In 1-2 sentences, explain how to save a spreadsheet.
Answer:
Click the Microsoft Office Button , and then click Save As, or press CTRL+S. Important: If you don't see the Microsoft Office Button , click Save As on the File menu.
Rafi is developing an application to send urgent information about global health crises over the Internet to hospitals. He is worried about packets getting lost along the way and the effect that will have on the accuracy of the information. What is his best option for dealing with lost packets
Answer:
Rafi can use the Transmission Control Protocol for communication since TCP has ways to recover when packets are lost.
Explanation:
TCP is a data transport protocol that works on top of IP and includes mechanisms to handle lost packets, such as the retransmission of lost packets.